$ git clone -n https://gitee.com/xzyang-anolis8/dde-polkit-agent.git /var/lib/mock/dist-an23-dde-build-324543-68534/root/chroot_tmpdir/scmroot/dde-polkit-agent
Cloning into '/var/lib/mock/dist-an23-dde-build-324543-68534/root/chroot_tmpdir/scmroot/dde-polkit-agent'...
$ git fetch origin 39462997f7c93b508db459ab8f621981f3fcd0d0:KOJI_FETCH_HEAD
From https://gitee.com/xzyang-anolis8/dde-polkit-agent
 * [new ref]         39462997f7c93b508db459ab8f621981f3fcd0d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3946299 rebuild for qt